AirHint found the following cheapest return flights from Washington (IAD) to Miami (MIA) in May 2026 (see full year).

Return flights

06 May - 13 May	United	direct
14 May - 17 Jun	United	direct
28 May - 02 Jun	United	direct
08 May - 13 May	United	direct
02 May - 11 May	United
01 May - 04 May	United
01 May - 05 May	Delta
27 May - 31 May	Delta
01 May - 03 May	Delta
14 May - 17 May	Delta
23 May - 30 May	United	direct
23 May - 31 May	Delta
21 May - 21 Jun	United	direct

Also check the deals for one-way flights from Washington to Miami in May.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Washington to Miami in May from 147€

Return flights